package com.itheima.sky.config;

import com.itheima.sky.interceptors.backend.SessionInterceptorBack;
import com.itheima.sky.interceptors.front.SessionInterceptorFront;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

import java.util.List;

@Slf4j
@Configuration
public class WebMvcConfig implements WebMvcConfigurer {
    @Autowired
    SessionInterceptorFront sessionInterceptorFront;

    @Autowired
    SessionInterceptorBack sessionInterceptorBack;

    /**
     * 扩展mvc框架的消息转换器
     *
     * @param converters
     */
    @Override
    public void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
        log.info("扩展消息转换器...");
        // 创建消息转换器对象
        MappingJackson2HttpMessageConverter messageConverter = new MappingJackson2HttpMessageConverter();
        // 设置对象转换器，底层使用Jackson将Java对象转为json
        messageConverter.setObjectMapper(new JacksonObjectMapper());
        // 将上面的消息转换器对象追加到mvc框架的转换器集合中
        converters.add(0, messageConverter);
    }

    @Override
    public void addInterceptors(InterceptorRegistry registry){
//        registry.addInterceptor(sessionInterceptor).addPathPatterns("/front/**").excludePathPatterns("/front/user/login","/front/user/sendMsg");
        registry.addInterceptor(sessionInterceptorFront).addPathPatterns("/**").excludePathPatterns("/user/login","/user/sendMsg","/employee/login");

    }
}